'The instructor ordered him' vs 'The instructor order him'

[Ludmila O.]

English Language Tests, Intermediate level

ESL/EFL Test #178 "Reported commands: reported speech", question 5

"Park the car behind the van." -- The instructor ......... him to park the car behind the van.

(a) offered
(b) told
(c) asked
(d) ordered

English Language Tests, Intermediate level

ESL/EFL Test #178 "Reported commands: reported speech", answer 5

"Park the car behind the van." -- The instructor told him to park the car behind the van.

Correct answer: (b) told

Your answer was: incorrect
"Park the car behind the van." -- The instructor ordered him to park the car behind the van.
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Could you explain why it is impossible to use 'to order' here?

Ludmila O.

[Kitosdad]

Told, is a more polite way to ask someone to do something.

Ordered is a more military / official instruction.
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